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  2. Time-traveler UFO hypothesis - Wikipedia

    en.wikipedia.org/wiki/Time-traveler_UFO_hypothesis

    The article goes on linking Hoover's story to other alleged UFO sightings and UFO abduction accounts with similar statements and reports about aliens actually being "humans of the future who have found the technology to overcome the limitations of light speed and time travel paradoxes that keep present day humans from breaching the boundaries ...

  3. All Tomorrows - Wikipedia

    en.wikipedia.org/wiki/All_Tomorrows

    All Tomorrows ends with a picture of the book's in-universe author, an alien researcher, holding a billion-year-old human skull and writing that all posthuman species disappeared a billion years in the future, for unknown reasons. The author goes on to state that mankind's story was always about the lives of humans themselves, not major wars ...

  4. Man After Man - Wikipedia

    en.wikipedia.org/wiki/Man_After_Man

    The various future human species were referred to by Wilkes as "truly wondrous" but "miserable". Wilkes also praised the "striking" illustrations by Philip Hood, particularly that of the "vacuumorph", though noted that some of his artwork was somewhat anatomically questionable and that some aspects of the book's science and technology "raised ...

  5. Doomsday argument - Wikipedia

    en.wikipedia.org/wiki/Doomsday_argument

    The analogy to the total-human-population form of the argument is that confidence in a prediction of the distribution of human characteristics that places modern and historic humans outside the mainstream implies that it is already known, before examining n, that it is likely to be very early in N. This is an argument for changing the reference ...

  6. Grey alien - Wikipedia

    en.wikipedia.org/wiki/Grey_alien

    In 1893, H. G. Wells presented a description of humanity's future appearance in the article "The Man of the Year Million", describing humans as having no mouths, noses, or hair, and with large heads. In 1895, Wells also depicted the Eloi , a successor species to humanity, in similar terms in the novel The Time Machine .

  7. Timeline of the far future - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_far_future

    This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. There is 1 pending revision awaiting review. Scientific projections regarding the far future Several terms redirect here. For other uses, see List of numbers and List of years. Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant While the ...

  8. Human physical appearance - Wikipedia

    en.wikipedia.org/wiki/Human_physical_appearance

    Human physical appearance is the outward phenotype or look There are functionally infinite variations in human phenotypes, though society reduces the variability to distinct categories. The physical appearance of humans, in particular those attributes which are regarded as important for physical attractiveness , are believed by anthropologists ...

  9. Mental time travel - Wikipedia

    en.wikipedia.org/wiki/Mental_time_travel

    If mental time travel is unique to humans, then it must have emerged over the last 6 million years since the line leading to modern humans split from the line leading to modern chimpanzees. Perhaps the first hard evidence for the evolution of mental time travel in humans comes in the form of Acheulean bifacial handaxes associated with Homo ...